HD6417712BPV Renesas Electronics America, HD6417712BPV Datasheet - Page 504

• Manufacturer Part Number: HD6417712BPV
• Description: MPU 1.5/3.3V 0K PB-FREE 256-BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH Ethernetr

Specifications of HD6417712BPV

• Core Processor: SH-3 DSP
• Core Size: 32-Bit
• Speed: 200MHz
• Connectivity: EBI/EMI, Ethernet, FIFO, SCI, SIO
• Peripherals: DMA, POR, WDT
• Number Of I /o: 24
• Program Memory Type: ROMless
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.4 V ~ 1.6 V
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 256-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

Section 13 Direct Memory Access Controller (DMAC)
Figure 13.1 shows a block diagram of the DMAC.
Rev. 1.00 Dec. 27, 2005 Page 460 of 932
REJ09B0269-0100
DACK0, DACK1,
(with acknowledge-
(memory mapped)
DREQ0, DREQ1
TEND0, TEND1
External ROM
External RAM
External I/O
External I/O
ment)
peripheral module
DMA transfer acknowledge signal
memory
On-chip
Interrupt controller
On-chip
DMA transfer request signal
Figure 13.1 Block Diagram of DMAC
Bus state
controller
DEIn
interface
Register
Iteration
control
Request
control
Start-up
priority
control
control
Bus
Legend
SAR_n
DAR_n
DMATCR_n
CHCR_n
DMAOR
DMARS0-2
DEIn
n
DMAC module
: DMA source address register
: DMA destination address register
: DMA transfer count register
: DMA channel control register
: DMA operation register
: DMA extension resource selector
: DMA transfer end interrupt request to the CPU
: 0 , 1 , 2 , 3 , 4 , 5
DMATCR_n
DMARS0-2
CHCR_n
DMAOR
SAR_n
DAR_n